http://repository.ou.ac.lk/handle/94ousl/3319 2026-05-16T00:57:24Z 2026-05-16T00:57:24Z http://repository.ou.ac.lk/handle/94ousl/3424 2025-09-18T10:10:26Z 2024-01-01T00:00:00Z

Organizational Structure of the International Conference on Plastics and Environmental Sustainability, 2024.

2024-01-01T00:00:00Z Thilakerathne, P. M. C. http://repository.ou.ac.lk/handle/94ousl/3423 2025-09-18T10:09:26Z 2024-01-01T00:00:00Z

Message of the Vice Chancellor, The Open University of Sri Lanka Thilakerathne, P. M. C.

2024-01-01T00:00:00Z Chandrakeerthi, B.K. Prabath http://repository.ou.ac.lk/handle/94ousl/3422 2025-09-18T10:08:23Z 2024-01-01T00:00:00Z

Message of the Secretary – Ministry of Environment Chandrakeerthi, B.K. Prabath

2024-01-01T00:00:00Z Athapattu, Bandunee C.L. http://repository.ou.ac.lk/handle/94ousl/3421 2025-09-18T10:07:14Z 2024-01-01T00:00:00Z

Message of the Conference Chair Athapattu, Bandunee C.L.

2024-01-01T00:00:00Z